Formula EV3 Race Car to steer in different directions But first, let's have a look at how the steering mechanism works Your program will use the Rotation Sensor
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Build the race car by following the instructions on the subse- quent pages Before you start building, select the pieces you'll need to complete the robot, shown in
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Formula EV3 Race Car to steer in different directions But first, let's have a look at how the steering mechanism works Your program will use the Rotation Sensor
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LEGO, the LEGO logo, MINDSTORMS and the MINDSTORMS logo are trademarks of the/ sont des instructions présentent les informations de base pour bien démarrer car la plupart des capteurs fournissent plusieurs types de données
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making more sophisticated robots, such as autonomous vehicles, robotic animals, and complex
Formula, shown in
Figure
car remotely and another program that makes the robot drive around autonomo race faster using gears. Build the race car by following the instructions on the subsequent pages. Before you sFigure
The Formula EV3 Race Car uses two separate mechanisms to drive and steer. To drive the car, the left or to the right with the Medium Motor in the front. When y creating my blocks for steeringFormula EV3 Race Car to steer in different
steering mechanism works. Your program will use the Rotation Sensor inside the Medium Port these angles indicate the position of the motor. The wheels turn left andFigure
As shown in
this robot.MY BLOCK #1: RESET
e to move them all the way to the left by having the Medium Motor rotate forward until it stalls.FormulaEV3
Figure
MY BLOCK #2: LEFT
The next My Block makes the front wheels steer to the left by turning the Medium Motor already. a Switch block to determine whether the wheels are already in the left orientation. If Left. NOTEThe Switch and Wait
MY BLOCK #3: RIGHT
TheRight
MY The front wheels are perfectly centered if the sensor value is exactly 0, but in this My Block, make this range any smaller, the motor tends toFigure
Figure
If the motor is already in the center region when this My Block runs, the motor is switched off. blocks to determine which of these positions the motor is in.Center
Figure
Figure
testing the my blocks Before you create a complete program, you should test the My Blocks to see whether they workSteerTest
control program using the techniques80% speed and the slower wheel at 70%.
negative forwardRemoteControl
NOTEIf the ro
Figure
Figure
none of the buttons on the remote is pressed (default case), the robot centers the front wheels and then switches
Figure
avoiding obstacles with the Infrared Sensor. The robot begins by driving straightAutonomousDriv
In this chapter, you had a chance to build and program a robot could expand the design with gears or larger wheels to make the car faster, or you could turn the experience as you continue to try new designs. Try out the Design Discoveries at the end of thisDISCOVERY #65: OVERS
Difficulty:
see why the robot should use such a large range theRemoteControlDISCOVERY #66: NIGHT
Difficulty:
dark? HINTBegin by modifying theAutonomousDrive
Switch block to determine whether the lights are on or off. What is the threshold value, and how do you